Home / Standards / GB/T 12476.3-2017 GB/T 12476.3-2017 Abolished Electrical apparatus for use in the presence of combustible dust—Part 3: Classification of areas where combustible dusts are or may be present 可燃性粉尘环境用电气设备 第3部分：存在或可能存在可燃性粉尘的场所分类 Standard Type GBT ICS 29.260.20 CCS K35 Status 废止 Issue Date 2017-12-29 Implementation 2018-07-01 Responsible Dept 中国电器工业协会 Drafting Unit N/A